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大田增温对夏玉米产量和品质的影响
引用本文:张吉旺,董树亭,王空军,胡昌浩,刘鹏.大田增温对夏玉米产量和品质的影响[J].应用生态学报,2007,18(1):52-56.
作者姓名:张吉旺  董树亭  王空军  胡昌浩  刘鹏
作者单位:山东农业大学农学院山东省作物生物学重点实验室,山东泰安,271018
基金项目:国家重点基础研究发展计划(973计划);国家自然蒲基金;山东农业大学校科研和教改项目;山东省良种工程资助项目
摘    要:研究了大田条件下增温(3 ℃)对夏玉米产量和品质的影响. 结果表明:增温条件下玉米的籽粒产量显著降低,农大108(ND108)和掖单13号(YD13)分别减产46.6%和45.1%.增温也显著影响了玉米的籽粒品质,与对照相比,ND108和YD13的粗蛋白含量分别提高了11.6%和2.02%;粗脂肪含量分别降低了38.9%和9.6%;淀粉含量分别降低了7.0%和8.4%,且主要降低了支链淀粉的含量;赖氨酸含量则分别降低了58.9%和51.2%.

关 键 词:夏玉米  大田增温  产量  品质
文章编号:1001-9332(2007)01-0052-05
收稿时间:2005-11-14
修稿时间:2005-11-14

Effects of high field temperature on summer maize grain yield and quality
ZHANG Ji-wang,DONG Shu-ting,WANG Kong-jun,HU Chang-hao,LIU Peng.Effects of high field temperature on summer maize grain yield and quality[J].Chinese Journal of Applied Ecology,2007,18(1):52-56.
Authors:ZHANG Ji-wang  DONG Shu-ting  WANG Kong-jun  HU Chang-hao  LIU Peng
Institution:Provincal Key Laboratory of Crop Biology, College of Agronomy, Shandong Agricultural University, Taian 271018, Shandong , China
Abstract:A field study with two summer maize cultivars ND108 and YD13 showed that increased field temperature (3 degrees C) at the stage from male tetrad to maturity had significant effects on their grain yield and quality. The grain yield of ND108 and YD13 decreased by 46.6% and 45.1%, grain crude protein content increased by 11.6% and 2.02%, ether extract content decreased by 38.9% and 9.6%, starch (mainly amylopection) content decreased by 7.0% and 8.4%, and lysine content decreased by 58.9% and 51.2%, respectively.
Keywords:summer maize  increased field temperature  yield  quality
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